2010-04-09_PERMIT FILE - C1996083A ‎(2)‎

• Permit No: C1996083A
• IBM Index Class Name: Permit File
• Doc Date: 4/9/2010
• Doc Name: Reclamation Cost Estimate
• Section_Exhibit Name: Volume I 3.02.2 Reclamation Cost Estimate MR118 ‎(MT3)‎
• Media Type: D
• Archive: Yes

User: JRS Site: Bowie No. 2 Mine Filename : C083 -017
Agency or organization name Colorado Division Of Reclamation, Mining And Safety
Permit or other job action :2009 Midterm Review
Task description: Push Material from Freeman Gulch Vent Shaft Back to Cut Slope
HOURLY EQUIPMENT COST
Basic machine: Cat D10R - 10SU(2005)
Horsepower:
570
Blade type Semi-Universal
Attachment no. 1 : ROPS Cab
Shift basis:
I per day
Attachment no. 2 :3-shank ripper
Data source:
(CRG)
Utilization %
Cost Breakdown Ownership cost/hour: $89.77 NA
Operating cost/hour: $128.30 100
Ripper op. cost/hour: $0.00 0
Operator cost/hour: $38.54 NA
Total unit cost/hour: $256.60 Total fleet cost/hour:
$1,026.41
MATERIAL QUANTITIES
Initial Swell Loose
volume: 1,600 CCY factor 1.165 volume:
1,864
LCY
Source of estimated volume: Operator Estimate
Source of estimated swell factor: CAT Handbook
HOURLY PRODUCTION Job Condition Correction Factors
Source
Operator skill
0.75
(avg.)
Average push distance 50 feet Material consistency
0.90
(Cat HB)
Unadjusted hourly production 2,748.7 LCY/hr Dozing method:
1.00
(gen.)
Visibility:
1.00
(avg.)
Material consistency description Job efficiency :
0.83
(1shift1day)
Compacted fill or embankment Spoil pile:
0.80
(fnd-rt)
Push gradient:
1.00
(Cat HB)
Average push gradient: 0.00 % (Pos) Altitude :
1.00
(Cat HB)
Average site altitude 7,000 feet Material weight:
0.79
(Cat HB)
Rade type
1.00
(S/SU/Q)
Material weight: 2,900 lbs/LCY Net correction
0.36
Weight description :
Decomposed rock - 50% Rock, 50% Earth Adjusted unit production
976.72
LCY/hr
Adjusted fleet production
3,906.90
LC Y /h r
JOB TIME AND COST
Fleet size 4 Dozer(s) Total job time:
0.48
Hours
Unit cost: $0.263 /LCY Total job cost:
$490